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A355100 as a simple table

na(n)
01
12
28
360
4688
511060
6234744
76314196
8208825376
98296326612
10388694773720
1121155834296476
121321107368127408
1393662776272057356
147471576015922028248
15665418775120254506940
1665714704859545872003008
177153378915302503698953860

[1,2,8,60,688,11060,234744,6314196,208825376,
 8296326612,388694773720,21155834296476,
 1321107368127408,93662776272057356,
 7471576015922028248,665418775120254506940,
 65714704859545872003008,7153378915302503698953860]